Codex Desktop fails creating worktree for branch

What version of the Codex App are you using (From “About Codex” dialog)?

Version 26.623.42026 • Released 27.06.2026

What subscription do you have?

PRO

What platform is your computer?

Linux 7.0.0-15-generic x86_64 unknown | Microsoft Windows NT 10.0.26200.0 x64

What issue are you seeing?

[info] Starting worktree creation
fatal: invalid reference: codex/add-datetime-rpc-support
[stderr] git worktree add failed: fatal: invalid reference: codex/add-datetime-rpc-support

What steps can reproduce the bug?

• Have a repo on github
• On remote server, only main is checked out
• In codex app: Create new worktree from branch which exists on github

What is the expected behavior?

Worktree is being created successfully

Additional information

_No response_